| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] [noun] [modal v] | 18162 |
|
| 2 | [prep] [adj] years [noun] | 710 |
|
| 3 | [prep] [adj] years [modal v] | 137 |
|
| 4 | [adj] years [noun] [modal v] | 44 |
|
| 5 | [prep] years [noun] [modal v] | 6 |
|
